The film stars Sivaji Ganesan and Padmini, with V. Nagayya, S. V. Sahasranamam, S. Varalakshmi and Friends Ramasamy in supporting roles.

Using this situation, his friend Moorthy tries to befriend Gopu's wife Nalina but she rejects his advances.

Kandaswamy, working with Doctor Gopu, notices the happenings in the family and feels bad.

Gopu, in order to settle a loan, borrows money from Moorthy after signing a mortgage letter.

Gopu arrives there realises his mistake and unites with Nalini and takes Kandaswamy back in job.

Meanwhile, Sundar gets a letter from the Government providing him a two years scholarship for higher studies in America as a reward for securing the highest marks in the state.

Unable to pay back, Gopu leaves home after writing a note to Nalina.

Dayaparar's friend advises him to remarry to get over his sorrows as he is alone after the death of his son, to take care of his health.

Sumathi agrees to the marriage to support her family and settle Gopu's loans, though both her father and Nalina do not accept her plan.

On the wedding day, Sumathi's father passes away, unable to see his daughter marrying an old man.

Dayaparar takes him to Tiruchy and sends him to her house alone and stays back to avoid confusion.

On a rainy night, Sundar meets Sumathi at her home, holds her hand and tries to get her consent to marry him, now that her husband has died.

Sumathi gets angry and slaps him for trying to take advantage of her situation and makes it clear that in her life there is place only for Dayaparar.